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Finding the Fourth Proportional to 475,795.71, 656,502.71 and 271,913.58

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Solution

The fourth proportional to 475,795.71, 656,502.71 and 271,913.58 is: 375,186.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,795.71 : 656,502.71 = 271,913.58 : x
  2. Step 2: Convert to fraction form
    475,795.71/656,502.71 = 271,913.58/x
  3. Step 3: Cross multiply
    475,795.71x = 656,502.71 × 271,913.58
  4. Step 4: Simplify right side
    475,795.71x = 178,512,000,796.23
  5. Step 5: Solve for x
    x = 178,512,000,796.23/475,795.71
  6. Step 6: Final answer
    x = 375,186.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.